Amazing what dogs can sniff out.

alaria is a disease with many identifiable symptoms, including sweating, vomiting and bloody stools. However, forget the traditional signs, because dogs can apparently smell it on you. The annual meeting of the American Society of Tropical Medicine and Hygiene in New Orleans has just revealed that a labrador and a labrador-retriever cross were recently trained to detect malaria in children by sniffing nylon socks in a jar.